Quantitative multiplex detection of nucleic acids
First Claim
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1. An oligonucleotide primer for the detection of a target nucleic acid sequence, said primer comprising 3′
- complementary portion and 5′
non-complementary portion, wherein said 5′
non-complementary portion comprises at least one restriction enzyme site, wherein said restriction site acts as detection marker in a process of detecting said target nucleic acid sequence, whereby a detection signal generated from enzymatic manipulation on said restriction site of a reaction product is indicative of the presence of said target nucleic acid sequence.
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Abstract
Methods are provided for quantitative multiplex detection of nucleic acids. Methods of the invention are useful for genotyping mutations, especially single nucleotide polymorphisms (SNPs), for analyzing gene expression profiles, genomic methylation patterns and any specific nucleic acids from any source.
108 Citations
42 Claims
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1. An oligonucleotide primer for the detection of a target nucleic acid sequence, said primer comprising 3′
- complementary portion and 5′
non-complementary portion, wherein said 5′
non-complementary portion comprises at least one restriction enzyme site, wherein said restriction site acts as detection marker in a process of detecting said target nucleic acid sequence, whereby a detection signal generated from enzymatic manipulation on said restriction site of a reaction product is indicative of the presence of said target nucleic acid sequence. - View Dependent Claims (2)
- complementary portion and 5′
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3. A method of analyzing multiple targets in a polynucleotide, said method comprising
(a) providing a set or sets of multiple primers with target nucleic acids in reactions of primer extension or amplification, wherein said reactions produce nucleic acid products in that each nucleic acid fragment comprises at least one restriction site; -
(b) digesting said nucleic acid products on said restriction sites with cognate restriction enzymes;
(c) joining digested products of step (b), whereby randomly joined nucleic acid fragments are created;
(d) amplify joined products of step (c); and
(e) detecting amplified products of step (d). - View Dependent Claims (4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. A method of analyzing multiple targets in a polynucleotide, said method comprising
(a) providing different sets of multiple primers with target nucleic acids in separate reactions of primer extension or amplification, wherein said separate reactions produce nucleic acid products in that each nucleic acid fragment comprises at least one restriction site; -
(b) digesting said nucleic acid products of said separate reactions on said restriction sites with cognate restriction enzymes;
(c) joining digested products derived from said separate reactions together, whereby randomly joined nucleic acid fragments from said separated reactions are created;
(d) amplify joined products of step (c); and
(e) detecting amplified products of step (d).
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42. A kit for use in the analysis and detection of multiple targets in a polynucleotide, said kit comprising:
- said a set or sets of multiple primers, said universal primers, said restriction enzymes, said DNA ligase, said DNA polymerase, said ddNTP, buffers for all enzymes, dNTPs.
Specification